/* 竖排展示 demo 行间距 16px */
.tdesign-demo-block-column {
  display: flex;
  flex-direction: column;
  row-gap: 16px;
}

/* 竖排展示 demo 行间距 32px */
.tdesign-demo-block-column-large {
  display: flex;
  flex-direction: column;
  row-gap: 32px;
}

/* 横排排展示 demo 列间距 16px */
.tdesign-demo-block-row {
  display: flex;
  column-gap: 16px;
  align-items: center;
}

/* 定义多个主题背景 */
body.light-theme {
  background-image: url('https://images.unsplash.com/photo-1503023345310-bd7c1de61c7d'); /* 浅色主题背景图片 */
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

body.blue-theme {
  background-image: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d'); /* 蓝色主题背景图片 */
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

body.dark-theme {
  background-image: url('https://images.unsplash.com/photo-1519681393784-d120267933ba'); /* 深色主题背景图片 */
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

body.nature-theme {
  background-image: url('https://images.unsplash.com/photo-1501785888041-af3ef285b470'); /* 自然主题背景图片 */
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}
